I was being serious, FTR.
Like Tibs said, the triangles are exactly the same and rearranged in the same way. That could only result in a square, not just any rhombus.
Polymath's answer is more rigorous, fair enough.
Like Tibs said, the triangles are exactly the same and rearranged in the same way. That could only result in a square, not just any rhombus.
Polymath's answer is more rigorous, fair enough.